supply of procurement of passenger emergency alarm valve to rdso drawing no. sk-97029, alt.3. material should conform to rdso spec. no. 02-abr-02 with amendments-4(last amendment no. 4 issued in sept. 2016).procurement of passenger emergency alarm valve to rdso drawing no. sk-97029, alt.3. material should conform to rdso spec. no. 02-abr-02 with amendments-4(last amendment no. 4 issued in sept. 2016).,passenger emergency alarm valve to rdso drawing no. sk-97029, alt.3. material should c onform to rdso spec. no. 02-abr-02 with amendments-4(last amendment no. 4 issued in sept. 2016). warranty period : as per rdso specification no. 02-abr-02 36 months from the date of delivery or 24 mo nths from the date of commissioning for all components whichever is earlier [ warranty period: 36 mon ths after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] => limited